ref: cb906b7f354c006a9f26d08bcf9de36678c5a47b
dir: /tags.c/
#include "tagspriv.h" typedef struct Getter Getter; struct Getter { int (*f)(Tagctx *ctx); int format; }; extern int tagvorbis(Tagctx *ctx); extern int tagflac(Tagctx *ctx); extern int tagid3v2(Tagctx *ctx); extern int tagid3v1(Tagctx *ctx); extern int tagm4a(Tagctx *ctx); extern int tagopus(Tagctx *ctx); extern int tagwav(Tagctx *ctx); static const Getter g[] = { {tagid3v2, Fmp3}, {tagid3v1, Fmp3}, {tagvorbis, Fogg}, {tagflac, Fflac}, {tagm4a, Fm4a}, {tagopus, Fopus}, {tagwav, Fwav}, }; void tagscallcb(Tagctx *ctx, int type, const char *k, const char *s, int offset, int size, Tagread f) { if(type != Tunknown){ ctx->found |= 1<<type; ctx->num++; } ctx->tag(ctx, type, k, s, offset, size, f); } int tagsget(Tagctx *ctx) { int i, res; ctx->channels = ctx->samplerate = ctx->bitrate = ctx->duration = 0; ctx->found = 0; ctx->format = Funknown; res = -1; for(i = 0; i < (int)(sizeof(g)/sizeof(g[0])); i++){ ctx->num = 0; if(g[i].f(ctx) == 0){ if(ctx->num > 0) res = 0; ctx->format = g[i].format; } ctx->seek(ctx, 0, 0); } return res; }